Properties of Guar Gum/Pullulan/Loquat Leaf Extract Green Composite Packaging in Enhancing the Preservation of Chinese Water Chestnut Fresh-Cut Fruit
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Methods
2.2.1. Preparation of Guar Gum/Pullulan/LLE Composite Film (GPE)
2.2.2. Thickness of the GPE Film
2.2.3. Light Transmittance of GPE Film
2.2.4. Water Vapor Permeability (WVP) of the GPE Film
2.2.5. Water Solubility of GPE Film
2.2.6. Moisture Content (MC) of GPE Film
2.2.7. Mechanical Properties of GPE Film
2.2.8. Fourier Transmission Infrared (FTIR) of a GPE Film
2.2.9. Crystallinity of GPE Film
2.2.10. Morphology of GPE Film
2.2.11. Antioxidant and Antibacterial Properties of GPE Film
2.2.12. Composite Film as Food Packaging for CWCs
2.2.13. Statistical Analysis
3. Results and Discussion
3.1. Characterization of GPE Film
3.2. Effect of LLE Amount on Film Thickness, Moisture Content (MC), and Water Solubility (WS) of GPE Film
3.3. Effect of LLE Amount on Mechanical Properties, WVP, and Transmittance
3.4. Effect of LLE Amount on Antioxidant Activity and Antibacterial Properties
3.5. Comparisons of Performance with Other Pullulan-Based Films
3.6. Food Packaging and Preservation Application Performance of the GPE Film
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Films | Thickness (mm) | Moisture Content (MC) (%) | Water Solubility (WS) (%) |
---|---|---|---|
GPE0 | 0.150 ± 0.009 a | 22.94 ± 1.67 a | 60.89 ± 1.25 a |
GPE2 | 0.152 ± 0.005 a | 20.60 ± 2.09 ab | 44.25 ± 1.38 b |
GPE4 | 0.155 ± 0.007 a | 19.12 ± 0.77 b | 40.80 ± 0.84 c |
GPE6 | 0.157 ± 0.009 a | 18.62 ± 0.73 b | 39.03 ± 2.57 c |
Sample | Light Transmittance (%) | ||||||
---|---|---|---|---|---|---|---|
250 | 300 | 350 | 380 | 400 | 500 | 800 | |
GPE0 | 0 | 29.38 | 37.07 | 54.45 | 71.78 | 82.04 | 84.72 |
GPE2 | 0 | 0.058 | 33.27 | 49.66 | 65.77 | 75.34 | 77.27 |
GPE4 | 0 | 0.011 | 24.55 | 36.22 | 47.86 | 54.70 | 54.95 |
GPE6 | 0 | 0 | 13.12 | 22.08 | 31.99 | 38.91 | 41.31 |
Films | Diameter of the Inhibition Zone (mm) | ||
---|---|---|---|
Staphylococcus aureus (ATCC6538) | Escherichia coli (ATCC25922) | Bacillus subtilis (ATCC6633) | |
GPE0 | 6.00 ± 0 d | 6.00 ± 0 c | 6.00 ± 0 d |
GPE2 | 7.82 ± 0.21 c | 8.77 ± 0.17 b | 7.12 ± 0.07 c |
GPE4 | 9.84 ± 0.07 b | 10.83 ± 0.11 a | 8.86 ± 0.10 b |
GPE6 | 10.07 ± 0.09 a | 10.96 ± 0.11 a | 9.04 ± 0.09 a |
Samples | WVP (×10−10·g.m−1 s−1·Pa−1) | Film Thickness (mm) | Tensile Strength (MPa) | Elongation at Break (%) | Antioxidant | Antibacterial Inhibition Zone (mm) | Ref. | |||
---|---|---|---|---|---|---|---|---|---|---|
DPPH (%) | ABTS+ (%) | Staphylococcus aureus | Escherichia coli | Bacillus subtilis | ||||||
Hexamethylenediamine/pullulan/sodium alginate | 0.694 | 0.013 ± 0.015 | 34 | 5 | - | - | 12.5 ± 0.12 | 11.3 ± 0.15 | - | [11] |
Diethylenetriamine/pullulan/sodium alginate | 0.833 | 0.022 ± 0.011 | 30 | 5 | - | - | 11.5 ± 0.03 | 10.1 ± 0.14 | - | [11] |
Pullulan/nano-TiO2 | 1.8333 | - | 15.9 | 45 | - | - | - | - | - | [12] |
Whey protein isolate/pullulan film with nano-SiO2 | 1.11 | - | 3.51± 1.71 | 162.26± 27.53 | - | - | - | - | - | [13] |
Polyaldehyde pullulan pectinase | - | - | - | - | 86 | 86 | - | - | - | [14] |
Gelatin pullulan dialdehyde | 5.0556 | - | 15.4 | 421 | - | - | - | - | - | [15] |
Adipic acid hydrazide-modified oxidized pullan: chitosan | 0.5556 | 0.013 ± 0.004 | 18 | 4 | - | - | 17 | - | - | [16] |
Corn starch/pullulan/gallic acid | 1.3128 | 0.168 ± 0.001 | 15.17 ± 1.05 | 64.04 ± 1.48 | 58.16 ± 0.17 | - | 22.33 ± 0.66 | 22.67 ± 0.36 | - | [17] |
Pullulan/xanthan gum/grape seed extract | 0.68 ± 0.07 | 0.207 ± 0.009 | 12.5 | 22 | 40 | - | 14.18 ± 0.38 | 9.21 ± 0.39 | 8.54 ± 0.59 | [68] |
GPE0 | 0.87282 ± 0.2246 | 0.150 ± 0.009 | 24.9 ±0.85 | 84.60 ± 2.83 | 13.87±1.25 | 15.60±0.82 | 6.00 ± 0 | 6.00 ± 0 | 6.00 ± 0 | This work |
GPE4 | 0.7672 ± 0.2689 | 0.155 ± 0.007 | 35.08 ± 0.63 | 69.98 ± 1.58 | 76.64 ± 0.94 | 81.53 ± 0.84 | 9.84 ± 0.07 | 10.83 ± 0.11 | 8.86 ± 0.10 | This work |
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Tan, K.B.; Zheng, M.; Lin, J.; Zhu, Y.; Zhan, G.; Chen, J. Properties of Guar Gum/Pullulan/Loquat Leaf Extract Green Composite Packaging in Enhancing the Preservation of Chinese Water Chestnut Fresh-Cut Fruit. Foods 2024, 13, 3295. https://doi.org/10.3390/foods13203295
Tan KB, Zheng M, Lin J, Zhu Y, Zhan G, Chen J. Properties of Guar Gum/Pullulan/Loquat Leaf Extract Green Composite Packaging in Enhancing the Preservation of Chinese Water Chestnut Fresh-Cut Fruit. Foods. 2024; 13(20):3295. https://doi.org/10.3390/foods13203295
Chicago/Turabian StyleTan, Kok Bing, Meixia Zheng, Junyan Lin, Yujing Zhu, Guowu Zhan, and Jianfu Chen. 2024. "Properties of Guar Gum/Pullulan/Loquat Leaf Extract Green Composite Packaging in Enhancing the Preservation of Chinese Water Chestnut Fresh-Cut Fruit" Foods 13, no. 20: 3295. https://doi.org/10.3390/foods13203295